package ru.deadsoftware.cavecraft.menu;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.utils.Array;
import ru.deadsoftware.cavecraft.CaveGame;
import ru.deadsoftware.cavecraft.GameScreen;
import ru.deadsoftware.cavecraft.game.GameSaver;
import ru.deadsoftware.cavecraft.game.Items;
import ru.deadsoftware.cavecraft.menu.objects.Button;
import ru.deadsoftware.cavecraft.misc.AppState;
import ru.deadsoftware.cavecraft.misc.Assets;
import ru.deadsoftware.cavecraft.misc.Renderer;

public class MenuRenderer extends Renderer {

    public Array<Button> menuMainBtns;

    public MenuRenderer(int width) {
        super(width, width * ((float) GameScreen.getHeight() / GameScreen.getWidth()));
        menuMainBtns = new Array<Button>();
        menuMainBtns.add(new Button("New game", getWidth() / 2 - 100, getHeight() / 4));
        menuMainBtns.add(new Button("Load game", getWidth() / 2 - 100, getHeight() / 4 + 30, GameSaver.exists() ? 1 : 0));
        menuMainBtns.add(new Button("Quit", getWidth() / 2 - 100, getHeight() / 4 + 60));
    }

    public void buttonClicked(Button button) {
        if (button.getLabel().toLowerCase().equals("new game")) {
            CaveGame.STATE = AppState.GOTO_NEW_GAME;
        } else if (button.getLabel().toLowerCase().equals("load game")) {
            CaveGame.STATE = AppState.GOTO_LOAD_GAME;
        } else if (button.getLabel().toLowerCase().equals("quit")) {
            Gdx.app.exit();
        }
    }

    private void drawButton(Button button) {
        spriter.draw(Assets.menuBtn[button.getType()], button.getX(), button.getY());
        setFontColor(255, 255, 255);
        drawString(button.getLabel(),
                (button.getX() + button.getWidth() / 2) - Assets.getStringWidth(button.getLabel()) / 2,
                (button.getY() + button.getHeight() / 2) - Assets.getStringHeight(button.getLabel()) / 2);
    }

    private void drawMenuMain() {
        for (Button button : menuMainBtns) {
            if (button.getType() > 0) {
                if (button.getRect().contains(Gdx.input.getX() * getWidth() / GameScreen.getWidth(),
                        Gdx.input.getY() * getHeight() / GameScreen.getHeight()))
                    button.setType(2);
                else button.setType(1);
            }
            drawButton(button);
        }
    }

    public void drawLabel(String str) {
        drawString(str);
    }

    @Override
    public void render() {
        spriter.begin();
        for (int x = 0; x <= getWidth() / 16; x++)
            for (int y = 0; y <= getHeight() / 16; y++) {
                spriter.draw(Assets.blockTex[Items.blocks.get("dirt").getTex()], x * 16, y * 16);
                spriter.draw(Assets.shade, x * 16, y * 16);
            }
        spriter.draw(Assets.gameLogo, getWidth() / 2 - Assets.gameLogo.getWidth() / 2, 0);

        switch (CaveGame.STATE) {
            case MENU_MAIN:
                drawMenuMain();
                break;
            case GOTO_NEW_GAME:
            case GOTO_LOAD_GAME:
                drawLabel("Generating World...");
                break;
            case GOTO_MENU:
                drawLabel("Saving Game...");
                break;
        }

        drawString("CaveCraft " + CaveGame.VERSION, 0,
                getHeight() - Assets.getStringHeight("CaveCraft " + CaveGame.VERSION) * 1.5f);
        spriter.end();

        switch (CaveGame.STATE) {
            case GOTO_NEW_GAME:
                CaveGame.STATE = AppState.NEW_GAME;
                break;
            case GOTO_LOAD_GAME:
                CaveGame.STATE = AppState.LOAD_GAME;
                break;
            case GOTO_MENU:
                CaveGame.STATE = AppState.SAVE_GAME;
                break;
        }

    }
}